That is called a society's 'prehistoric' era.
new era
Prehistory.
prehistory
long period of time before people developed systems of writing and a written language
long period of time before people developed systems of writing and a written language
prehistory
Prehistory
neolithic age
Prehistory
Prehistory is the period of time before humans learned to write.
The period of time prior to the invention of writing is referred to as "Prehistory". This division of time is also noted by the use of a written calendar and the days before there were such dates notated.
he was a maid